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Finding the Fourth Proportional to 506,376.92, 698,886.08 and 291,641.32

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Solution

The fourth proportional to 506,376.92, 698,886.08 and 291,641.32 is: 402,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,376.92 : 698,886.08 = 291,641.32 : x
  2. Step 2: Convert to fraction form
    506,376.92/698,886.08 = 291,641.32/x
  3. Step 3: Cross multiply
    506,376.92x = 698,886.08 × 291,641.32
  4. Step 4: Simplify right side
    506,376.92x = 203,824,057,882.71
  5. Step 5: Solve for x
    x = 203,824,057,882.71/506,376.92
  6. Step 6: Final answer
    x = 402,514.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.